1 files changed, 1 insertions, 1 deletions

diff --git a/src/print.c b/src/print.c
index db0b4cba965..d26f7fd24dc 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1136,7 +1136,7 @@ print (obj, printcharfun, escapeflag)
           register unsigned char c;
           struct gcpro gcpro1;
           int size_in_chars
-            = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR) / BITS_PER_CHAR;
+            = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
 
           GCPRO1 (obj);